Re: For Loop problem

• To: mathgroup at smc.vnet.net
• Subject: [mg65611] Re: For Loop problem
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Tue, 11 Apr 2006 04:04:19 -0400 (EDT)
• Organization: Uni Leipzig
• References: <e1cup6\$emo\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```Hi,

lst = Table[i, {i, 2040, 2060}];

If[# > 2048, # - 2048, # + 2048] & /@ lst

and the loop is gone .

Regards

Jens

"Rob" <rob at piovere.com> schrieb im Newsbeitrag
news:e1cup6\$emo\$1 at smc.vnet.net...
| I've got to manipulate some signed 12bit integer
numbers from a file and
| apparently Mathematica only handles 8 and 16 bit
signed numbers
| (probably for a very good reason). So I bring
them in as 16 bits (and
| they're stored that way with a leading zero
nibble) and then I have to
| do the following to make sense of them.  I
really don't know why this
| code works but it does.
|
| For[i = 1, i < Length[y], i++, If[y[[i]] > 2048,
y[[i]] =
|     y[[i]] - 2048, y[[i]] = y[[i]] + 2048]];
|
| So to my question: once again I had to resort to
a For loop to pull this
| off and I know this is a no-no.  But I'm so
| that I've never come up with a more
sophisticated method after a year or
| so of thinking about it. Can someone help (as
they usually can)?
|
| Thanks, Rob
|

```

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